Coffeehouse chains are popular establishments that serve a variety of coffee drinks, teas, and light snacks. These chains, such as Starbucks and Dunkin', have locations in many cities and often provide a comfortable space for customers to relax, work, or socialize. They typically offer a menu that includes espresso-based drinks, brewed coffee, pastries, and sometimes sandwiches. In addition to their beverages, coffeehouse chains often focus on creating a unique atmosphere with cozy seating and free Wi-Fi. Many of these establishments also sell branded merchandise, such as mugs and coffee beans, and some have loyalty programs to reward frequent customers.